PIX lan-to-lan IPSEC comes up...no traffic passes tunnel

I am looking for some help on this problem.

I managed to setup a LAN-to-LAN IPSEC tunnel between PIX 515 (IOS 6.3) on one end and a back-to-back ISA2004 on the other end.

I can initiate a tunnel at both ends however the following happens:

When I initate a tunnel from the ISA site the tunnel comes up and all wanted traffic flows through the tunnel (RDP, HTTP, ICMP etc) At that same moment I can also create the same traffic from the PIX site.

When I initiate a tunnel from the PIX site the tunnel comes up but NO traffic is passed through the tunnel. Creating traffic on the ISA site causes the creation of another tunnel.

My guess is ACL listst not being what they should be. Can anyone tell me what I am missing in the config of my PIX config? Traffic to LAN /16 should go through the tunnel

This is my current config (some lines deleted):

PIX Version 6.3(4) nameif ethernet0 outside security0 nameif ethernet1 inside security100 nameif ethernet2 DMZ security50 fixup protocol dns maximum-length 512 fixup protocol ftp 21 fixup protocol h323 h225 1720 .. .. names name AAADC01 name AAAFS01 name AAADZ01 name zzz.zzz.zzz.17 remote_AAT name BBBDMZ name BBBFWLAN name BBBLAN access-list inside_access_in permit ip BBBDMZ access-list inside_access_in permit ip BBBLAN access-list inside_access_in permit udp host AAADC01 any eq domain access-list inside_access_in permit ip host AAADZ01 access-list inside_access_in permit tcp host remote_AAT eq 15948 access-list outside_cryptomap_dyn_10 permit ip any access-list DMZ_access_in permit udp host AAADZ01 any eq domain access-list DMZ_access_in permit tcp host AAADZ01 any eq www access-list DMZ_access_in permit tcp host AAADZ01 any eq https access-list DMZ_access_in permit tcp host AAADZ01 any eq ftp access-list DMZ_access_in permit tcp host AAADZ01 any eq ftp-data access-list inside_outbound_nat0_acl permit ip BBBLAN access-list inside_outbound_nat0_acl permit ip BBBDMZ access-list inside_outbound_nat0_acl permit ip any access-list inside_outbound_nat0_acl permit ip BBBFWLAN access-list outside_cryptomap_20 permit ip BBBLAN access-list outside_cryptomap_20 permit ip BBBDMZ access-list outside_cryptomap_20 permit ip BBBFWLAN pager lines 24 logging on logging standby icmp permit any outside mtu outside 1500 mtu inside 1500 mtu DMZ 1500 ip address outside yyy.yyy.yyy.194 ip address inside ip address DMZ ip audit info action alarm ip audit attack action alarm ip local pool AAAVPNPOOL mask pdm location inside pdm location AAADC01 inside pdm location AAAFS01 inside pdm location outside pdm location inside pdm location AAADZ01 DMZ pdm location inside pdm location remote_AAT outside pdm location BBBDMZ outside pdm location BBBFWLAN outside pdm location BBBLAN outside pdm history enable arp timeout 14400 global (outside) 10 interface nat (inside) 0 access-list inside_outbound_nat0_acl nat (inside) 10 0 0 nat (DMZ) 10 AAADZ01 0 0 static (inside,DMZ) netmask 0 0 access-group inside_access_in in interface inside access-group DMZ_access_in in interface DMZ route outside 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00 timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00 timeout uauth 0:05:00 absolute aaa-server TACACS+ protocol tacacs+ aaa-server TACACS+ max-failed-attempts 3 aaa-server TACACS+ deadtime 10 aaa-server RADIUS protocol radius aaa-server RADIUS max-failed-attempts 3 aaa-server RADIUS deadtime 10 aaa-server RADIUS (inside) host AAADC01 AAAVPN timeout 5 aaa-server LOCAL protocol local http server enable http inside http AAADC01 inside http inside no snmp-server location no snmp-server contact snmp-server community public no snmp-server enable traps floodguard enable sysopt connection permit-ipsec crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac crypto dynamic-map outside_dyn_map 10 match address outside_cryptomap_dyn_10 crypto dynamic-map outside_dyn_map 10 set transform-set ESP-DES-MD5 crypto map outside_map 20 ipsec-isakmp crypto map outside_map 20 match address outside_cryptomap_20 crypto map outside_map 20 set pfs group2 crypto map outside_map 20 set peer xxx.xxx.xxx.172 crypto map outside_map 20 set transform-set ESP-3DES-SHA crypto map outside_map 20 set security-association lifetime seconds 3600 kilobytes 100000 crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map crypto map outside_map client authentication RADIUS crypto map outside_map interface outside isakmp enable outside isakmp key ** address xxx.xxx.xxx.172 netmask no-xauth no-config-mode isakmp identity address isakmp policy 20 authentication pre-share isakmp policy 20 encryption des isakmp policy 20 hash md5 isakmp policy 20 group 2 isakmp policy 20 lifetime 86400 isakmp policy 40 authentication pre-share isakmp policy 40 encryption 3des isakmp policy 40 hash sha isakmp policy 40 group 2 isakmp policy 40 lifetime 28800 vpngroup AAAVPN address-pool AAAVPNPOOL vpngroup AAAVPN dns-server AAADC01 AAAFS01 vpngroup AAAVPN wins-server AAADC01 AAAFS01 vpngroup AAAVPN default-domain PIX.local vpngroup AAAVPN idle-time 1800 vpngroup AAAVPN password ******** telnet AAADC01 inside telnet timeout 5 ssh inside ssh timeout 5 console timeout 0 terminal width 80

: end [OK]

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